When Accessibility Creates a Cognitive Barrier
A cookie preference dialog can be technically accessible while still increasing demands on attention, comprehension, working memory and decision-making.
By Gareth Slinn
Page reviewed: 24 September 2026 Source: TV Licensing: Making TV Licensing accessible to all
I recently visited the TV Licensing page “Making TV Licensing accessible to all.” Before I could access the page, I encountered its cookie consent dialog.
The initial choice was relatively simple: Let me choose, Essential cookies only, or Accept all cookies.
I selected “Let me choose.” That is where the cognitive accessibility problem became interesting.
A simple choice becomes a complex task
The user is now required to navigate different categories, understand unfamiliar terminology, process explanatory content, locate controls, understand their current state and distinguish between several competing actions.
Individually, none of these things seems particularly difficult.
Together, they increase demands on attention, comprehension, working memory and decision-making.
The user has asked for greater control, but the cost of that control is greater cognitive effort.
The accessibility contradiction
What makes this particularly interesting is the page underneath the dialog.
TV Licensing states:
“Our approach to accessibility is to ensure that you can easily access the information you need…”
Yet the mechanism blocking access to that information may itself create a barrier for some people.
This doesn't necessarily mean the website is technically inaccessible. It demonstrates something broader:
Technical accessibility and cognitive accessibility are not always the same thing.
An interface can be technically operable while still requiring unnecessary cognitive effort.
Cognitive accessibility looks at the whole interaction
The underlying cookie decision is relatively simple. Essential cookies are required; other cookies require a choice.
A cognitively simpler experience could present that decision directly, with additional information available when someone wants it.
This is why cognitive accessibility needs to consider more than individual buttons, labels and controls.
How much does the person have to understand, remember and decide simply to complete the task?
Sometimes, that is where the accessibility barrier is hiding.
